package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.mapper.CategoryMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

/**
 * TODO
 *
 * @Author mr.Nuyoah
 * @Date2025/5/16 20:54
 */
@Service
public class CategoryServiceImpl implements CategoryService {

    @Autowired
    private CategoryMapper categoryMapper;
    /**
     * 新增分类
     *
     * @param categoryDTO
     */
    @Override
    public void save(CategoryDTO categoryDTO) {

        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO,category);
        //分类状态默认为禁用状态0
        category.setStatus(StatusConstant.ENABLE);
        //设置创建时间、修改时间、创建人、修改人
        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());
        category.setCreateUser(BaseContext.getCurrentId());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.insert(category);
    }

    /**
     * 分页查询
     *
     * @param dto
     * @return
     */
    @Override
    public PageResult page(CategoryPageQueryDTO dto) {
        PageHelper.startPage(dto.getPage(), dto.getPageSize());
        List<Category> list = categoryMapper.page(dto);
        Page<Category> page = (Page<Category>) list;
        return new PageResult(page.getTotal(),page.getResult());
    }
    /**
     * 根据id删除分类
     * @param id
     */
    public void deleteById(Long id) {
        // TODO 查询当前分类是否关联了菜品，如果关联了就抛出业务异常
        // TODO 查询当前分类是否关联了套餐，如果关联了就抛出业务异常
        //删除分类数据
        categoryMapper.deleteById(id);
    }

    /**
     * 更新分类
     *
     * @param categoryDTO
     */
    @Override
    public void update(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        category.setUpdateTime(LocalDateTime.now());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.update(categoryDTO);
    }

    /**
     * 根据类型查询分类
     *
     * @param type
     * @return
     */
    @Override
    public List<Category> list(Integer type) {
        return categoryMapper.list(type);
    }

    /**
     * 设置分类状态
     *
     * @param status
     * @param id
     */
    @Override
    public void updateStatus(Integer status, Long id) {
        categoryMapper.updateStatus(status,id);
    }
}
